Finding the Fourth Proportional to 5,374,668.35, 8,054,027.80 and 3,947,749.31
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Solution
The fourth proportional to 5,374,668.35, 8,054,027.80 and 3,947,749.31 is: 5,915,766.45
Step by Step Solution
- Step 1: Write the proportion equation
5,374,668.35 : 8,054,027.80 = 3,947,749.31 : x - Step 2: Convert to fraction form
5,374,668.35/8,054,027.80 = 3,947,749.31/x - Step 3: Cross multiply
5,374,668.35x = 8,054,027.80 × 3,947,749.31 - Step 4: Simplify right side
5,374,668.35x = 31,795,282,690,170.82 - Step 5: Solve for x
x = 31,795,282,690,170.82/5,374,668.35 - Step 6: Final answer
x = 5,915,766.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.